T/R module for satellite TT and C ground link

a satellite and ground link technology, applied in the direction of antennas, modular arrays, electrical devices, etc., can solve the problems of long downtime for repair and maintenance, operators cannot quickly schedule consecutive satellite contacts, and single point failures
US7071873B2Active Publication Date: 2006-07-04THE UNITED STATES OF AMERICA AS REPRESETNED BY THE SEC OF THE AIR FORCE
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Patents(United States)
Current Assignee / Owner
THE UNITED STATES OF AMERICA AS REPRESETNED BY THE SEC OF THE AIR FORCE
Publication Date
2006-07-04

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Abstract

Transmit / Receive (T / R) module that provides multiple simultaneous ground to satellite links with rapid pointing and acquisition. The (T / R) module incorporates independent gain and phase control. Left-hand or right-hand circular polarization can be supplied to dual feed antennas. Present invention allows each antenna to be independently polarized. Low-cost componentry is utilized throughout. On-board control of the (T / R) module is obtained using a complex programmable logic device (CPLD) and a micro controller. CPLD provided separate control of four phase shifters, attenuators, channel polarization as well as transmitter on / off control. Telemetry is provided through built-in test (BIT) routine.
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Description

PRIORITY CLAIM UNDER 35 U.S.C. §119(e)

[0001] This patent application claims the priority benefit of the filing date of provisional application Ser. Nos. 60 / 566,788, 60 / 566,768 and 60 / 566,770, all having been filed in the United States Patent and Trademark Office on Apr. 30, 2004 and now incorporated by reference herein.STATEMENT OF GOVERNMENT INTEREST

[0002] The invention described herein may be manufactured and used by or for the Government for governmental purposes without the payment of any royalty thereon.BACKGROUND OF THE INVENTION

[0003] This invention relates generally to the design of a Transmit and Receive (TR) module, and, more specifically, to such Transmit and Receive modules suitable for a Phase Array Antenna (PAA) which could provide multiple simultaneous ground to satellite links with pointing and acquisition taking seconds. This invention also relates to the field of digital control design where a digital circuit is used to interface with the Antenna Control Computer to c...

Claims

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